Tag: vulnerability
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Pyodide Sandbox Escape Enables Remote Code Execution in Grist-Core
Critical sandbox escape vulnerability in Grist-Core enables remote code execution via a malicious formula First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/pyodide-sandbox-escape-rce-grist/
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U.S. CISA adds Microsoft Office, GNU InetUtils, SmarterTools SmarterMail, and Linux Kernel flaws to its Known Exploited Vulnerabilities catalog
Tags: cisa, cybersecurity, exploit, flaw, infrastructure, kev, linux, microsoft, office, vulnerabilityU.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Microsoft Office, GNU InetUtils, SmarterTools SmarterMail, and Linux Kernel flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Microsoft Office, GNU InetUtils, SmarterTools SmarterMail, and Linux Kernel flaws to its Known Exploited Vulnerabilities (KEV) catalog. Below are the flaws added to the catalog:…
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Over 6,000 SmarterMail Servers Exposed to Actively Exploited RCE Vulnerability
Tags: cve, cyber, data-breach, detection, email, exploit, rce, remote-code-execution, threat, vulnerabilityApproximately 6,000 vulnerable SmarterTools SmarterMail installations globally are all exposed to an actively exploited remote code execution vulnerability. The vulnerability, tracked as CVE-2026-23760, poses an immediate threat to organisations relying on SmarterMail for email and collaboration services. The Shadowserver Foundation integrated CVE-2026-23760 detection into their daily vulnerable HTTP scans, flagging susceptible servers based on version…
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Attackers Exploit React2Shell Vulnerability to Target IT Sector Systems
Active exploitation of a critical vulnerability in React Server Components, tracked as CVE”‘2025″‘55182 (React2Shell), targeting companies across multiple industry sectors worldwide. React2Shell affects the Flight protocol, which facilitates client-server communication for React Server Components. The vulnerability stems from insecure deserialization servers accept client data without proper verification, enabling remote code execution under specific conditions. The…
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Over 6,000 SmarterMail servers exposed to automated hijacking attacks
Nonprofit security organization Shadowserver has found over 6,000 SmarterMail servers exposed online and likely vulnerable to attacks exploiting a critical authentication bypass vulnerability. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/over-6-000-smartermail-servers-exposed-to-automated-hijacking-attacks/
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Critical vm2 Flaw Lets Attackers Bypass Sandbox and Execute Arbitrary Code in Node.js
A critical vulnerability in the vm2 JavaScript sandbox library (versions ≤ 3.10.0) enables attackers to bypass sandbox protections and execute arbitrary code with full system privileges. The flaw exploits improper sanitization of Promise callback functions, allowing remote code execution without authentication or user interaction. Vulnerability Overview The vm2 library, deployed across 273,000 projects on npm,…
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Hand CVE Over to the Private Sector
How MITRE has mismanaged the world’s vulnerability database for decades and wasted millions along the way. First seen on darkreading.com Jump to article: www.darkreading.com/cybersecurity-operations/hand-cve-over-to-private-sector
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CTEM in Practice: Prioritization, Validation, and Outcomes That Matter
Cybersecurity teams increasingly want to move beyond looking at threats and vulnerabilities in isolation. It’s not only about what could go wrong (vulnerabilities) or who might attack (threats), but where they intersect in your actual environment to create real, exploitable exposure.Which exposures truly matter? Can attackers exploit them? Are our defenses effective?Continuous Threat Exposure First…
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Critical Grist-Core Vulnerability Allows RCE Attacks via Spreadsheet Formulas
A critical security flaw has been disclosed in Grist”‘Core, an open-source, self-hosted version of the Grist relational spreadsheet-database, that could result in remote code execution.The vulnerability, tracked as CVE-2026-24002 (CVSS score: 9.1), has been codenamed Cellbreak by Cyera Research Labs.”One malicious formula can turn a spreadsheet into a Remote Code Execution (RCE) beachhead,” First seen…
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CISA Flags Actively Exploited VMware vCenter RCE Flaw in KEV Catalog
Tags: cisa, cybersecurity, exploit, flaw, infrastructure, kev, rce, remote-code-execution, vcenter, vmware, vulnerabilityThe U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a critical vulnerability affecting VMware vCenter Server to its Known Exploited Vulnerabilities (KEV) catalog, confirming that the flaw is being actively exploited in real-world attacks. First seen on thecyberexpress.com Jump to article: thecyberexpress.com/vmware-vcenter-cve-2024-37079-exploited/
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Microsoft reveals actively exploited Office zero-day, provides emergency fix (CVE-2026-21509)
Microsoft released emergency Office security updates to fix a security feature bypass vulnerability (CVE-2026-21509) that its threat intelligence and security teams spotted … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/01/27/microsoft-reveals-actively-exploited-office-zero-day-provides-emergency-fix-cve-2026-21509/
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4 issues holding back CISOs’ security agendas
Tags: access, ai, application-security, attack, business, ciso, cloud, compliance, control, cyber, cybersecurity, data, endpoint, framework, governance, intelligence, jobs, monitoring, network, resilience, risk, risk-assessment, risk-management, sans, service, skills, strategy, technology, threat, tool, training, vulnerability, vulnerability-management2. Inability to keep pace with AI innovation and adoption: Executives and employees alike have been rushing to adopt artificial intelligence, enticed by expectations that AI will transform workflows and save time, money, and effort.But CISOs for the most part have not kept pace with their business colleagues’ rate of AI adoption.According to a survey…
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Dormakaba flaws allow to access major organizations’ doors
Researchers found over 20 flaws in Dormakaba access systems that could let attackers remotely unlock doors at major organizations. Researchers from SEC Consult discovered and fixed more than 20 security flaws in Dormakaba physical access control systems. The experts uncovered multiple critical vulnerabilities in Dormakaba physical access control systems based on exos 9300. These enterprise…
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Critical CERT-In Advisories January 2026: SAP, Microsoft, and Atlassian Vulnerabilities
January 2026 was a wake-up month for enterprise security teams. In a single week, CERT-In released three high-severity advisories exposing critical flaws across SAP, Microsoft, and Atlassian, the very platforms that run finance systems, identity layers, developer pipelines, and collaboration tools inside most enterprises. These weren’t theoretical bugs. One Windows vulnerability was already being exploited……
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Unplugged holes in the npm and yarn package managers could let attackers bypass defenses against Shai-Hulud
Tags: authentication, bug-bounty, control, corporate, defense, email, github, guide, hacker, malicious, malware, microsoft, vulnerabilitydisabling the ability to run lifecycle scripts, commands that run automatically during package installation,saving lockfile integrity checks (package-lock.json, pnpm-lock.yaml, and others) to version control (git). The lockfile records the exact version and integrity hash of every package in a dependency tree. On subsequent installs, the package manager checks incoming packages against these hashes, and if…
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Imperva Customers Protected Against CVE-2026-21962 in Oracle HTTP and WebLogic
What Is CVE-2026-21962? CVE-2026-21962 is a critical (CVSS 10.0) vulnerability in the Oracle HTTP Server and the WebLogic Server Proxy Plug-in for Apache HTTP Server and Microsoft IIS. An unauthenticated attacker with HTTP access can exploit this flaw by sending crafted requests to the affected proxy components and bypass security controls. Successful exploitation can result……
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Emergency Microsoft update fixes inwild Office zero-day
Microsoft issued emergency updates to fix an actively exploited Office zero-day, CVE-2026-21509, affecting Office 20162024 and Microsoft 365 Apps. Microsoft released out-of-band security updates to address an actively exploited Office zero-day vulnerability tracked as CVE-2026-21509. The issue is a security feature bypass vulnerability that affects multiple Office versions, including Microsoft Office 2016, Microsoft Office 2019,…
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Microsoft patches actively exploited Office zero-day vulnerability
Microsoft has released emergency security updates to patch a high-severity Office zero-day vulnerability exploited in attacks. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-patches-actively-exploited-office-zero-day-vulnerability/
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Nearly 800,000 Telnet servers exposed to remote attacks
Internet security watchdog Shadowserver tracks nearly 800,000 IP addresses with Telnet fingerprints amid ongoing attacks exploiting a critical authentication bypass vulnerability in the GNU InetUtils telnetd server. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/nearly-800-000-telnet-servers-exposed-to-remote-attacks/
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PoC Released for GNU InetUtils telnetd RCE as 800K+ Exposed Instances Remain Online
A proof-of-concept exploit for CVE-2026-24061, a critical remote code execution vulnerability in the GNU Inetutils telnetd, has surfaced, with security researchers warning that over 800,000 vulnerable instances remain publicly accessible on the internet. The vulnerability allows unauthenticated attackers to execute arbitrary commands on affected systems running vulnerable versions of the telnetd service. Vulnerability Overview CVE-2026-24061…
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Instagram Investigates Reported Vulnerability Allowing Access to Private Content
A server-side vulnerability in Instagram that allegedly allowed completely unauthenticated access to private account posts. This raises concerns about Meta’s vulnerability disclosure handling and the effectiveness of compensatory controls protecting user privacy. Technical Overview According to the disclosure, the vulnerability existed in Instagram’s mobile web interface and required no authentication or follower relationship to exploit.…
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NetSupport Manager 0-Day Vulnerabilities Enable Remote Code Execution
Two critical 0-day vulnerabilities in NetSupport Manager that, when chained, allow unauthenticated remote code execution (RCE). The vulnerabilities were discovered during routine security assessments of operational technology (OT) environments and affect version 14.10.4.0 and earlier, with fixes implemented in version 14.12.0000 released on July 29th, 2025. The two vulnerabilities tracked as CVE-2025-34164 and CVE-2025-34165 reside…
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Apache Hadoop Flaw Could Trigger System Crashes or Data Corruption
A moderate out-of-bounds write vulnerability in Apache Hadoop’s HDFS native client that could allow attackers to trigger system crashes or cause data corruption in production environments. The flaw, identified as CVE-2025-27821, affects the native HDFS client’s URI parser and has been assigned moderate severity by Apache. The vulnerability was discovered and reported by security researcher…
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Can Passkeys Be Exploited for Account Access?
Explore if passkeys can be exploited. Learn about potential vulnerabilities in passwordless authentication, fido2 implementation risks, and how to stay secure. First seen on securityboulevard.com Jump to article: securityboulevard.com/2026/01/can-passkeys-be-exploited-for-account-access/
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CISA says critical VMware RCE flaw now actively exploited
CISA has flagged a critical VMware vCenter Server vulnerability as actively exploited and ordered U.S. federal agencies to secure their servers within three weeks. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/cisa-says-critical-vmware-rce-flaw-now-actively-exploited/
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CISO’s predictions for 2026
Tags: access, ai, attack, authentication, automation, breach, business, ciso, cloud, control, credentials, cryptography, cyber, cyberattack, cybersecurity, data, data-breach, encryption, endpoint, extortion, finance, governance, government, healthcare, identity, infrastructure, malicious, mobile, mssp, network, password, penetration-testing, ransomware, risk, router, saas, soc, strategy, supply-chain, technology, threat, tool, vulnerability, warfareAI agents to reshape the threat landscape: But those same AI technologies are also changing the threat landscape. Toal points to a recent Anthropic report that documented the first large-scale AI-enabled cyberattack as an early warning sign. “I guarantee attackers will be more focused on using AI agents for what they want than a lot…
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Brakeman: Open-source vulnerability scanner for Ruby on Rails applications
Brakeman is an open-source security scanner used by teams that build applications with Ruby on Rails. The tool focuses on application code and configuration, giving developers … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/01/26/brakeman-open-source-vulnerability-scanner-ruby-on-rails/
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Europe’s GCVE Raises Concerns Over Fragmentation in Vulnerability Databases
Tags: vulnerabilityGCVE would enhance global collaboration, flexibility, and efficiency in tracking security flaws. Duplicate entries and a decentralization policy may create more chaos for defenders. First seen on darkreading.com Jump to article: www.darkreading.com/cyber-risk/gcve-raises-concerns-fragmentation-vulnerability-database